oblicz
-1+(-3)=
(-3)+(-5)=
(-5)+4=
(-4)+5=
(-2)+2=
9+(-9)=
błagam to MEGA PILNE Z MATMY
-1+(-3)=(-4)
(-3)+(-5)=(-8)
(-5)+4=(-1)
(-4)+5=1
(-2)+2=0
9+(-9)=0
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-1+(-3)=(-4)
(-3)+(-5)=(-8)
(-5)+4=(-1)
(-4)+5=1
(-2)+2=0
9+(-9)=0